About us

i-socia Advisors (アイソシア行政書士事務所) provides services regarding immigration and administrative procedures in Japan related to as follows:

  • Setting up a company and starting a business.
  • Immigration procedures, visa-based matters, and other administrative procedures in order foreign nationals to visit, reside, and run a business in Japan.
  • Business license and permission dealing in medical equipment and cosmetics as well as starting realtor, liquor shop, restaurant, secondhand shop, and other types of business.

Our clients mainly come from the following countries: United Kingdom, France, Austria, Australia, Switzerland, Luxembourg, China, South Korea, Bolivia, Peru, Belgium, Brasil, Philippines, India, Indonesia, Malaysia, New Zealand, Russia, Sri Lanka, Canada, United States, Taiwan, Slovak Republic, Spain, Germany, Singapore, Turkey, Portugal, Pakistan, Sweden, Mongolia, Thailand, Vietnam, Algeria, Hong Kong, Italy…



アイソシア行政書士事務所 代表 

ISHIDA Tomohiko
Licensed Gyosei-shoshi, Immigration-Lawyer
Representative of i-socia Advisors
CEO of i-socia co., ltd.

– Registered as Gyosei-shoshi in January, 2003
– Set up “i-socia co., ltd.” in August, 2007


ISHIDA Naoko, Paralegal and Advisor

【Our service area】

Within the jurisdiction of the Osaka Immigration Office.
Osaka, Kyoto, Hyogo (Kobe), Nara, Shiga, Wakayama.

We are happy to provide our service outside the area at your request. We have experience the application at other Immigration Offices such as Tokyo, Fukuoka, Nagoya, Tokushima, etc.


Tani-yon Square Bldg. 6F,
1-2-15 Uchihommachi, Chuo-ku, Osaka 5400026 >> go to our map below
Tanimachi/Chuo Line –right in front of Exit 3, Tanimachi 4-chome Station
Keihan Line — 10 minute from East Exit, Temmabashi Station


Send inquiry from Contact us page – look through this page carefully before sending your inquiry. We may not reply to inquiries which don’t follow our instruction on the page.

* We don’t accept inquiry on the phone to prevent from misunderstanding of your situation.

【Office Hours】

Monday – Friday 9:00am to 5:00pm
* Appointment required.


Saturdays, Sundays and public holidays


Get out at Exit 3, Tanimachi 4-chome Station (Tanimachi/Chuo Line). No need to cross any street. Right after getting out the exit, you will find “Tani-yon Square Building (谷四スクエアビル)”, the building which has an open-air cafe called “MOUTON” on the first/ground floor.(* Cafe MOUTON is permanently closed and the demolition work has still been in progress since August 1st.)

Take the elevator to the 6th floor, you will find our office on the far left.

If you take KEIHAN line from Kyoto, why don’t you take 10 minutes walk? Get out at the East Exit (東口), then go straight along Tanimachi-suji to the south. You will find “Tanimachi 3” intersection, where you see the exit of subway, Tanimachi 4-chome Station, across the street.

Our Penguin sign is welcoming you!

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